Wired in the Ghost portrait to the Wraith as well.

data/core/units/undead/Spirit_Wraith.cfg

@@ -4,6 +4,7 @@
     name= _ "Wraith"
     race=undead
     image="units/undead/wraith-s.png"
+    profile=portraits/undead/ghost.png
     {MAGENTA_IS_THE_TEAM_COLOR}
     hitpoints=25
     movement_type=undeadspirit
@@ -16,6 +17,18 @@
     usage=scout
     description= _ "These shades of what were once warriors are among the most terrifying things a necromancer can create, for a sword will cleave right through them as if through air, seemingly without doing harm. It is the thought that these foes are invincible which is so frightening, a notion that is fortunately far from the truth."+{SPECIAL_NOTES}+{SPECIAL_NOTES_DRAIN}+{SPECIAL_NOTES_SPIRIT}+{SPECIAL_NOTES_ARCANE}
     die_sound=wail-long.wav
+    [portrait]
+        size=400
+        side="left"
+        mirror="false"
+        image="portraits/undead/transparent/ghost.png"
+    [/portrait]
+    [portrait]
+        size=400
+        side="right"
+        mirror="true"
+        image="portraits/undead/transparent/ghost.png"
+    [/portrait]
     [attack]
         name=baneblade
         description=_"baneblade"	# wmllint: no spellcheck (until name->id)